505315214 has 4 divisors (see below), whose sum is σ = 757972824. Its totient is φ = 252657606.

The previous prime is 505315207. The next prime is 505315229. The reversal of 505315214 is 412513505.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126328802 + ... + 126328805.

It is an arithmetic number, because the mean of its divisors is an integer number (189493206).

Almost surely, 2^505315214 is an apocalyptic number.

505315214 is a deficient number, since it is larger than the sum of its proper divisors (252657610).

505315214 is a wasteful number, since it uses less digits than its factorization.

505315214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252657609.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 505315214 is about 22479.2173796153. The cubic root of 505315214 is about 796.5030773115.

Adding to 505315214 its reverse (412513505), we get a palindrome (917828719).

The spelling of 505315214 in words is "five hundred five million, three hundred fifteen thousand, two hundred fourteen".